<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>03-条件渲染</title>
</head>

<body>
    <div id="div">
        <!-- 判断num的值，对3取余 余数为0显示div1,余数为1显示div2，余数为2显示div3 -->
        <div v-if="num % 3 == 0">div1</div>
        <div v-else-if="num % 3 == 1">div2</div>
        <div v-else="num % 3 == 2">div3</div>

        <div v-show="flag">div4</div>
    </div>
</body>
<script src="js/vue.js"></script>
<script>
    new Vue({
        el: "#div",
        data: {
            num: 1,
            flag: false
        }
    });
</script>

</html>